From a913539c26ec3f34bbdf9474b77d528451b2042a Mon Sep 17 00:00:00 2001
From: "Rafael G. Martins" <rafael@rafaelmartins.eng.br>
Date: Tue, 27 Dec 2016 04:18:39 +0100
Subject: github-lambda: blogc-make: integrate

---
 src/blogc-github-lambda/lambda_function.py | 28 +++++++++++++++++++++-------
 src/blogc-make/ctx.c                       |  7 +++++++
 src/blogc-make/exec.c                      |  9 ++++++++-
 3 files changed, 36 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/blogc-github-lambda/lambda_function.py b/src/blogc-github-lambda/lambda_function.py
index 44f1bc9..b845285 100644
--- a/src/blogc-github-lambda/lambda_function.py
+++ b/src/blogc-github-lambda/lambda_function.py
@@ -142,16 +142,30 @@ def lambda_handler(event, context):
 
     if payload['ref'] == 'refs/heads/master':
         debug = 'DEBUG' in os.environ
-        stream = None if debug else subprocess.PIPE
+
+        env = os.environ.copy()
+        env['BLOGC'] = os.path.join(cwd, 'blogc')
+        env['OUTPUT_DIR'] = '_build_lambda'
 
         rootdir = get_tarball(payload['repository']['full_name'])
-        rv = subprocess.call(['make', '-C', rootdir,
-                              'BLOGC=%s' % os.path.join(cwd, 'blogc'),
-                              'OUTPUT_DIR=_build'],
-                             stdout=stream, stderr=stream)
+        settings_file = os.path.join(rootdir, 'settings.ini')
+
+        if os.path.isfile(settings_file):
+            # deploy using blogc-make
+            args = [os.path.join(cwd, 'blogc'), '-m', '-f', settings_file,
+                    'all']
+            if debug:
+                args.append('-V')
+            rv = subprocess.call(args, env=env)
+        else:
+            # fallback to using make. please note that this will break if
+            # amazon removes gnu make from lambda images
+            stream = None if debug else subprocess.PIPE
+            rv = subprocess.call(['make', '-C', rootdir], env=env,
+                                 stdout=stream, stderr=stream)
         if rv != 0:
-            raise RuntimeError('Failed to run make')
+            raise RuntimeError('Failed to run the build tool.')
 
-        sync_s3(os.path.join(rootdir, '_build'),
+        sync_s3(os.path.join(rootdir, env['OUTPUT_DIR']),
                 payload['repository']['name'],
                 os.path.join(rootdir, 's3.json'))
diff --git a/src/blogc-make/ctx.c b/src/blogc-make/ctx.c
index 8c9cc9a..7b8dfca 100644
--- a/src/blogc-make/ctx.c
+++ b/src/blogc-make/ctx.c
@@ -81,6 +81,13 @@ bm_ctx_new(const char *settings_file, bc_error_t **err)
     }
     free(content);
 
+    // fix output_dir, if forced from environment variable
+    const char *output_dir_env = getenv("OUTPUT_DIR");
+    if (output_dir_env != NULL) {
+        bc_trie_insert(settings->settings, "output_dir",
+            bc_strdup(output_dir_env));
+    }
+
     char *atom_template = bm_atom_deploy(settings, err);
     if (*err != NULL) {
         return NULL;
diff --git a/src/blogc-make/exec.c b/src/blogc-make/exec.c
index 75b7c00..8b961e7 100644
--- a/src/blogc-make/exec.c
+++ b/src/blogc-make/exec.c
@@ -183,7 +183,14 @@ bm_exec_build_blogc_cmd(bm_settings_t *settings, bc_trie_t *variables,
         free(tmp);
     }
 
-    bc_string_append(rv, "blogc");
+    // use blogc binary from environment, if provided
+    const char *blogc_bin = getenv("BLOGC");
+    if (blogc_bin != NULL) {
+        bc_string_append(rv, blogc_bin);
+    }
+    else {
+        bc_string_append(rv, "blogc");
+    }
 
     if (settings != NULL) {
         bc_trie_foreach(settings->env,
-- 
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